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Characterisation by adsorption of various organic vapours of the porosity of fr...

Russo, PA; Ribeiro Carrott, MML; Carrott, PJM; Matias, P; Lopes, JM; Guisnet, M; Ramôa Ribeiro, F

The microporosity of H-MCM-22 samples, fresh and deactivated by coke during methylcyclohexane transformation at 350 C for 10 h, was characterised by adsorption of nitrogen and organic molecules of different size, namely, p- and o-xylenes, mesitylene and methylcyclohexane. Nitrogen adsorption was also carried out on the fresh sample after pre-adsorption of the hydrocarbons. All of these can fit the outer 12 MR c...


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